If the condition persists after two days of treatment, seek medical advice as soon as possible. • If you are pregnant or likely to become pregnant, or are breastfeeding, check with your doctor or pharmacist before using this medicine. • Do not give to children under 12 years of age. • Drink plenty of fluids to remain hydrated as fluid and electrolyte depletion may occur with diarrhoea. If dehydration is suspected, seek medical attention. • Do not take if you have a medical condition where constipation should be avoided. • See your doctor or pharmacist before taking Gastro-Stop if you have a fever, severe stomach pain, bloody diarrhoea or ongoing condition affecting the bowel. • Maintain hygiene and handwashing. • Ask your employer if your illness may put others in the workplace at risk. • Contains sugars and lactose.